diff --git a/media/codec2/components/base/SimpleC2Component.cpp b/media/codec2/components/base/SimpleC2Component.cpp
index 50b4d20..b8baec8 100644
--- a/media/codec2/components/base/SimpleC2Component.cpp
+++ b/media/codec2/components/base/SimpleC2Component.cpp
@@ -132,6 +132,56 @@
     }
 }
 
+class SimpleC2Component::BlockingBlockPool : public C2BlockPool {
+public:
+    BlockingBlockPool(const std::shared_ptr<C2BlockPool>& base): mBase{base} {}
+
+    virtual local_id_t getLocalId() const override {
+        return mBase->getLocalId();
+    }
+
+    virtual C2Allocator::id_t getAllocatorId() const override {
+        return mBase->getAllocatorId();
+    }
+
+    virtual c2_status_t fetchLinearBlock(
+            uint32_t capacity,
+            C2MemoryUsage usage,
+            std::shared_ptr<C2LinearBlock>* block) {
+        c2_status_t status;
+        do {
+            status = mBase->fetchLinearBlock(capacity, usage, block);
+        } while (status == C2_TIMED_OUT);
+        return status;
+    }
+
+    virtual c2_status_t fetchCircularBlock(
+            uint32_t capacity,
+            C2MemoryUsage usage,
+            std::shared_ptr<C2CircularBlock>* block) {
+        c2_status_t status;
+        do {
+            status = mBase->fetchCircularBlock(capacity, usage, block);
+        } while (status == C2_TIMED_OUT);
+        return status;
+    }
+
+    virtual c2_status_t fetchGraphicBlock(
+            uint32_t width, uint32_t height, uint32_t format,
+            C2MemoryUsage usage,
+            std::shared_ptr<C2GraphicBlock>* block) {
+        c2_status_t status;
+        do {
+            status = mBase->fetchGraphicBlock(width, height, format, usage,
+                                              block);
+        } while (status == C2_TIMED_OUT);
+        return status;
+    }
+
+private:
+    std::shared_ptr<C2BlockPool> mBase;
+};
+
 ////////////////////////////////////////////////////////////////////////////////
 
 namespace {
@@ -446,12 +496,16 @@
                 }
             }
 
-            err = GetCodec2BlockPool(poolId, shared_from_this(), &mOutputBlockPool);
+            std::shared_ptr<C2BlockPool> blockPool;
+            err = GetCodec2BlockPool(poolId, shared_from_this(), &blockPool);
             ALOGD("Using output block pool with poolID %llu => got %llu - %d",
                     (unsigned long long)poolId,
                     (unsigned long long)(
-                            mOutputBlockPool ? mOutputBlockPool->getLocalId() : 111000111),
+                            blockPool ? blockPool->getLocalId() : 111000111),
                     err);
+            if (err == C2_OK) {
+                mOutputBlockPool = std::make_shared<BlockingBlockPool>(blockPool);
+            }
             return err;
         }();
         if (err != C2_OK) {
diff --git a/media/codec2/components/base/include/SimpleC2Component.h b/media/codec2/components/base/include/SimpleC2Component.h
index b3a98f4..43029a9 100644
--- a/media/codec2/components/base/include/SimpleC2Component.h
+++ b/media/codec2/components/base/include/SimpleC2Component.h
@@ -234,7 +234,8 @@
     typedef std::unordered_map<uint64_t, std::unique_ptr<C2Work>> PendingWork;
     Mutexed<PendingWork> mPendingWork;
 
-    std::shared_ptr<C2BlockPool> mOutputBlockPool;
+    class BlockingBlockPool;
+    std::shared_ptr<BlockingBlockPool> mOutputBlockPool;
 
     SimpleC2Component() = delete;
 };
diff --git a/media/libmedia/include/media/mediarecorder.h b/media/libmedia/include/media/mediarecorder.h
index caa0186..33be559 100644
--- a/media/libmedia/include/media/mediarecorder.h
+++ b/media/libmedia/include/media/mediarecorder.h
@@ -115,9 +115,6 @@
  * The state machine of the media_recorder.
  */
 enum media_recorder_states {
-    // Error state.
-    MEDIA_RECORDER_ERROR                 =      0,
-
     // Recorder was just created.
     MEDIA_RECORDER_IDLE                  = 1 << 0,
 
@@ -132,6 +129,9 @@
 
     // Recording is in progress.
     MEDIA_RECORDER_RECORDING             = 1 << 4,
+
+    // Error state.
+    MEDIA_RECORDER_ERROR                 = 1 << 5,
 };
 
 // The "msg" code passed to the listener in notify.
diff --git a/packages/MediaComponents/apex/java/android/media/session/ISessionController.aidl b/packages/MediaComponents/apex/java/android/media/session/ISessionController.aidl
index 74897f7..433b12f 100644
--- a/packages/MediaComponents/apex/java/android/media/session/ISessionController.aidl
+++ b/packages/MediaComponents/apex/java/android/media/session/ISessionController.aidl
@@ -48,9 +48,9 @@
     PendingIntent getLaunchPendingIntent();
     long getFlags();
     ParcelableVolumeInfo getVolumeAttributes();
-    void adjustVolume(String packageName, ISessionControllerCallback caller,
+    void adjustVolume(String packageName, String opPackageName, ISessionControllerCallback caller,
             boolean asSystemService, int direction, int flags);
-    void setVolumeTo(String packageName, ISessionControllerCallback caller,
+    void setVolumeTo(String packageName, String opPackageName, ISessionControllerCallback caller,
             int value, int flags);
 
     // These commands are for the TransportControls
diff --git a/packages/MediaComponents/apex/java/android/media/session/ISessionManager.aidl b/packages/MediaComponents/apex/java/android/media/session/ISessionManager.aidl
index 3578c16..d6c226f 100644
--- a/packages/MediaComponents/apex/java/android/media/session/ISessionManager.aidl
+++ b/packages/MediaComponents/apex/java/android/media/session/ISessionManager.aidl
@@ -17,7 +17,6 @@
 
 import android.content.ComponentName;
 import android.media.IRemoteVolumeController;
-import android.media.ISessionTokensListener;
 import android.media.session.IActiveSessionsListener;
 import android.media.session.ICallback;
 import android.media.session.IOnMediaKeyListener;
@@ -36,9 +35,10 @@
     List<IBinder> getSessions(in ComponentName compName, int userId);
     void dispatchMediaKeyEvent(String packageName, boolean asSystemService, in KeyEvent keyEvent,
             boolean needWakeLock);
-    void dispatchVolumeKeyEvent(String packageName, boolean asSystemService, in KeyEvent keyEvent,
-            int stream, boolean musicOnly);
-    void dispatchAdjustVolume(String packageName, int suggestedStream, int delta, int flags);
+    void dispatchVolumeKeyEvent(String packageName, String opPackageName, boolean asSystemService,
+            in KeyEvent keyEvent, int stream, boolean musicOnly);
+    void dispatchAdjustVolume(String packageName, String opPackageName, int suggestedStream,
+            int delta, int flags);
     void addSessionsListener(in IActiveSessionsListener listener, in ComponentName compName,
             int userId);
     void removeSessionsListener(in IActiveSessionsListener listener);
@@ -55,12 +55,4 @@
 
     // MediaSession2
     boolean isTrusted(String controllerPackageName, int controllerPid, int controllerUid);
-    boolean createSession2(in Bundle sessionToken);
-    void destroySession2(in Bundle sessionToken);
-    List<Bundle> getSessionTokens(boolean activeSessionOnly, boolean sessionServiceOnly,
-            String packageName);
-
-    void addSessionTokensListener(in ISessionTokensListener listener, int userId,
-            String packageName);
-    void removeSessionTokensListener(in ISessionTokensListener listener, String packageName);
 }
diff --git a/packages/MediaComponents/apex/java/android/media/session/MediaController.java b/packages/MediaComponents/apex/java/android/media/session/MediaController.java
index c060aaf..eaebcfb 100644
--- a/packages/MediaComponents/apex/java/android/media/session/MediaController.java
+++ b/packages/MediaComponents/apex/java/android/media/session/MediaController.java
@@ -153,7 +153,7 @@
             return false;
         }
         try {
-            return mSessionBinder.sendMediaButton(mContext.getOpPackageName(), mCbStub,
+            return mSessionBinder.sendMediaButton(mContext.getPackageName(), mCbStub,
                     asSystemService, keyEvent);
         } catch (RemoteException e) {
             // System is dead. =(
@@ -186,8 +186,9 @@
                         break;
                 }
                 try {
-                    mSessionBinder.adjustVolume(mContext.getOpPackageName(), mCbStub, true,
-                            direction, AudioManager.FLAG_SHOW_UI);
+                    mSessionBinder.adjustVolume(mContext.getPackageName(),
+                            mContext.getOpPackageName(), mCbStub, true, direction,
+                            AudioManager.FLAG_SHOW_UI);
                 } catch (RemoteException e) {
                     Log.wtf(TAG, "Error calling adjustVolumeBy", e);
                 }
@@ -197,8 +198,8 @@
                 final int flags = AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_VIBRATE
                         | AudioManager.FLAG_FROM_KEY;
                 try {
-                    mSessionBinder.adjustVolume(mContext.getOpPackageName(), mCbStub, true, 0,
-                            flags);
+                    mSessionBinder.adjustVolume(mContext.getPackageName(),
+                            mContext.getOpPackageName(), mCbStub, true, 0, flags);
                 } catch (RemoteException e) {
                     Log.wtf(TAG, "Error calling adjustVolumeBy", e);
                 }
@@ -367,7 +368,8 @@
      */
     public void setVolumeTo(int value, int flags) {
         try {
-            mSessionBinder.setVolumeTo(mContext.getOpPackageName(), mCbStub, value, flags);
+            mSessionBinder.setVolumeTo(mContext.getPackageName(), mContext.getOpPackageName(),
+                    mCbStub, value, flags);
         } catch (RemoteException e) {
             Log.wtf(TAG, "Error calling setVolumeTo.", e);
         }
@@ -388,8 +390,8 @@
      */
     public void adjustVolume(int direction, int flags) {
         try {
-            mSessionBinder.adjustVolume(mContext.getOpPackageName(), mCbStub, false, direction,
-                    flags);
+            mSessionBinder.adjustVolume(mContext.getPackageName(), mContext.getOpPackageName(),
+                    mCbStub, false, direction, flags);
         } catch (RemoteException e) {
             Log.wtf(TAG, "Error calling adjustVolumeBy.", e);
         }
@@ -455,7 +457,7 @@
             throw new IllegalArgumentException("command cannot be null or empty");
         }
         try {
-            mSessionBinder.sendCommand(mContext.getOpPackageName(), mCbStub, command, args, cb);
+            mSessionBinder.sendCommand(mContext.getPackageName(), mCbStub, command, args, cb);
         } catch (RemoteException e) {
             Log.d(TAG, "Dead object in sendCommand.", e);
         }
@@ -521,7 +523,7 @@
 
         if (!mCbRegistered) {
             try {
-                mSessionBinder.registerCallbackListener(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.registerCallbackListener(mContext.getPackageName(), mCbStub);
                 mCbRegistered = true;
             } catch (RemoteException e) {
                 Log.e(TAG, "Dead object in registerCallback", e);
@@ -668,7 +670,7 @@
          */
         public void prepare() {
             try {
-                mSessionBinder.prepare(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.prepare(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling prepare.", e);
             }
@@ -692,7 +694,7 @@
                         "You must specify a non-empty String for prepareFromMediaId.");
             }
             try {
-                mSessionBinder.prepareFromMediaId(mContext.getOpPackageName(), mCbStub, mediaId,
+                mSessionBinder.prepareFromMediaId(mContext.getPackageName(), mCbStub, mediaId,
                         extras);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling prepare(" + mediaId + ").", e);
@@ -719,7 +721,7 @@
                 query = "";
             }
             try {
-                mSessionBinder.prepareFromSearch(mContext.getOpPackageName(), mCbStub, query,
+                mSessionBinder.prepareFromSearch(mContext.getPackageName(), mCbStub, query,
                         extras);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling prepare(" + query + ").", e);
@@ -744,7 +746,7 @@
                         "You must specify a non-empty Uri for prepareFromUri.");
             }
             try {
-                mSessionBinder.prepareFromUri(mContext.getOpPackageName(), mCbStub, uri, extras);
+                mSessionBinder.prepareFromUri(mContext.getPackageName(), mCbStub, uri, extras);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling prepare(" + uri + ").", e);
             }
@@ -755,7 +757,7 @@
          */
         public void play() {
             try {
-                mSessionBinder.play(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.play(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling play.", e);
             }
@@ -774,7 +776,7 @@
                         "You must specify a non-empty String for playFromMediaId.");
             }
             try {
-                mSessionBinder.playFromMediaId(mContext.getOpPackageName(), mCbStub, mediaId,
+                mSessionBinder.playFromMediaId(mContext.getPackageName(), mCbStub, mediaId,
                         extras);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling play(" + mediaId + ").", e);
@@ -797,7 +799,7 @@
                 query = "";
             }
             try {
-                mSessionBinder.playFromSearch(mContext.getOpPackageName(), mCbStub, query, extras);
+                mSessionBinder.playFromSearch(mContext.getPackageName(), mCbStub, query, extras);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling play(" + query + ").", e);
             }
@@ -816,7 +818,7 @@
                         "You must specify a non-empty Uri for playFromUri.");
             }
             try {
-                mSessionBinder.playFromUri(mContext.getOpPackageName(), mCbStub, uri, extras);
+                mSessionBinder.playFromUri(mContext.getPackageName(), mCbStub, uri, extras);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling play(" + uri + ").", e);
             }
@@ -828,7 +830,7 @@
          */
         public void skipToQueueItem(long id) {
             try {
-                mSessionBinder.skipToQueueItem(mContext.getOpPackageName(), mCbStub, id);
+                mSessionBinder.skipToQueueItem(mContext.getPackageName(), mCbStub, id);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling skipToItem(" + id + ").", e);
             }
@@ -840,7 +842,7 @@
          */
         public void pause() {
             try {
-                mSessionBinder.pause(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.pause(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling pause.", e);
             }
@@ -852,7 +854,7 @@
          */
         public void stop() {
             try {
-                mSessionBinder.stop(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.stop(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling stop.", e);
             }
@@ -865,7 +867,7 @@
          */
         public void seekTo(long pos) {
             try {
-                mSessionBinder.seekTo(mContext.getOpPackageName(), mCbStub, pos);
+                mSessionBinder.seekTo(mContext.getPackageName(), mCbStub, pos);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling seekTo.", e);
             }
@@ -877,7 +879,7 @@
          */
         public void fastForward() {
             try {
-                mSessionBinder.fastForward(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.fastForward(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling fastForward.", e);
             }
@@ -888,7 +890,7 @@
          */
         public void skipToNext() {
             try {
-                mSessionBinder.next(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.next(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling next.", e);
             }
@@ -900,7 +902,7 @@
          */
         public void rewind() {
             try {
-                mSessionBinder.rewind(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.rewind(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling rewind.", e);
             }
@@ -911,7 +913,7 @@
          */
         public void skipToPrevious() {
             try {
-                mSessionBinder.previous(mContext.getOpPackageName(), mCbStub);
+                mSessionBinder.previous(mContext.getPackageName(), mCbStub);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling previous.", e);
             }
@@ -926,7 +928,7 @@
          */
         public void setRating(Rating rating) {
             try {
-                mSessionBinder.rate(mContext.getOpPackageName(), mCbStub, rating);
+                mSessionBinder.rate(mContext.getPackageName(), mCbStub, rating);
             } catch (RemoteException e) {
                 Log.wtf(TAG, "Error calling rate.", e);
             }
@@ -961,7 +963,7 @@
                 throw new IllegalArgumentException("CustomAction cannot be null.");
             }
             try {
-                mSessionBinder.sendCustomAction(mContext.getOpPackageName(), mCbStub, action, args);
+                mSessionBinder.sendCustomAction(mContext.getPackageName(), mCbStub, action, args);
             } catch (RemoteException e) {
                 Log.d(TAG, "Dead object in sendCustomAction.", e);
             }